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Finding the Fourth Proportional to 491,889.56, 736,167.82 and 302,469.91

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Solution

The fourth proportional to 491,889.56, 736,167.82 and 302,469.91 is: 452,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,889.56 : 736,167.82 = 302,469.91 : x
  2. Step 2: Convert to fraction form
    491,889.56/736,167.82 = 302,469.91/x
  3. Step 3: Cross multiply
    491,889.56x = 736,167.82 × 302,469.91
  4. Step 4: Simplify right side
    491,889.56x = 222,668,614,260.30
  5. Step 5: Solve for x
    x = 222,668,614,260.30/491,889.56
  6. Step 6: Final answer
    x = 452,680.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.